The peak shopping time at a home improvement store is between 8 00am and 11 00am on Saturday mornings Management at the home improvement store randomly selected 155 customers last Saturday morning and decided observe their shopping habits They recorded the number of items that each of the customers purchased as well as total time the customers spent in the store Identify the types of variables recorded by the home improvement store A number of items discrete total time continuous B number of items continuous total time discrete C number of items continuous total time continuous D number of items discrete total time discrete